Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 248 HP / 12 Def / 148 SpD / 100 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Flamethrower  
- Toxic  
- Recover  

Necrozma-Dusk-Mane @ Shed Shell  
Ability: Prism Armor  
EVs: 236 HP / 240 Def / 32 Spe  
Impish Nature  
- Stealth Rock  
- Sunsteel Strike  
- Thunder Wave  
- Moonlight  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 144 HP / 252 Atk / 36 Def / 76 Spe  
Adamant Nature  
- Play Rough  
- Behemoth Blade  
- Wild Charge  
- Agility  

Gothitelle @ Leftovers  
Ability: Shadow Tag  
EVs: 248 HP / 36 Def / 224 Spe  
Bold Nature  
IVs: 0 Atk  
- Charm  
- Taunt  
- Cosmic Power  
- Rest  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 44 HP / 72 Def / 208 SpA / 184 Spe  
Timid Nature  
IVs: 0 Atk  
- Moonblast  
- Geomancy  
- Thunder  
- Ingrain  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 4 Atk / 144 Def / 112 SpD  
Careful Nature  
IVs: 29 Spe  
- Foul Play  
- U-turn  
- Defog  
- Roost